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ASRock releases BCLK OC BIOSes for non K CPUs
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Claf1109 View Drop Down
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Joined: 14 Dec 2015
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Points: 19 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Claf1109 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Dec 2015 at 11:12pm
Originally posted by h170_performance h170_performance wrote:

I was going to start at 1.35v bios vcore without LLC and read the load vcore. Then set bios vcore to the previous load vcore and low level LLC. Next, increase LLC level until I get bios and load vcores close, while giving the bios a little more voltage if vdroop brings load vcore below what is the minimum (the load vcore I got in step 1 without LLC). Is this correct?

I don't think you need to go that high. 1.25 will be more than enough to accomadate 4.2 Ghz. You shoud also be able to make it work with LLC level 2. As for LLC 3 I noticed quite a bit of Vdroop, so you might need to up the offset setting a little more to use it.
But i don't know how you plan on setting your vcore exactly. In my bios (2.23) I've only got the option to add some offset voltage to an adaptive voltage setting. 
For example, whatever the LLC, the VID, which i think is the vcore the motherboard is asking for, is alway 20-25 mV higher at full load. It doesn't make sense unless the voltage setting is adpative.
In my experience, for the system to be stable, you need a vdroop of around 15-20 mV

Here's a screenshot of my log. I always did a quick 10 minutes stability test. For the lines in green, i did an onvernight stability test with X264.


Of course, you will only be able to achieve theses frequencies with BCLK on your I5 6600, so the results may vary.
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borg79 View Drop Down
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The Sad thing is that only Z170 series motherboard has the BCLK setting, others do not have it DeadCryCryCry
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h170_performance View Drop Down
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Joined: 12 Dec 2015
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Points: 7 		Post Options Post Options   Thanks (0) Thanks(0)   Quote h170_performance Quote  Post ReplyReply Direct Link To This Post Posted: 22 Dec 2015 at 10:42am
Originally posted by Claf1109 Claf1109 wrote:

I don't think you need to go that high. 1.25 will be more than enough to accomadate 4.2 Ghz. You shoud also be able to make it work with LLC level 2. As for LLC 3 I noticed quite a bit of Vdroop, so you might need to up the offset setting a little more to use it.
But i don't know how you plan on setting your vcore exactly. In my bios (2.23) I've only got the option to add some offset voltage to an adaptive voltage setting. 
For example, whatever the LLC, the VID, which i think is the vcore the motherboard is asking for, is alway 20-25 mV higher at full load. It doesn't make sense unless the voltage setting is adpative.
In my experience, for the system to be stable, you need a vdroop of around 15-20 mV

Here's a screenshot of my log. I always did a quick 10 minutes stability test. For the lines in green, i did an onvernight stability test with X264.

Appreciate the help. I will use it as a reference once my new sticks of ram come (replacing cheap 2133 sticks). Thanks a lot!


Edited by h170_performance - 22 Dec 2015 at 10:48am
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h170_performance View Drop Down
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Points: 7 		Post Options Post Options   Thanks (0) Thanks(0)   Quote h170_performance Quote  Post ReplyReply Direct Link To This Post Posted: 22 Dec 2015 at 10:48am
Originally posted by borg79 borg79 wrote:

The Sad thing is that only Z170 series motherboard has the BCLK setting, others do not have it DeadCryCryCry

Some US retailers actually had the z170 pro4s (both ATX and micro ATX) for $80 when this first came out. They sold out quickly though. Only boards cheaper than that are the H110s and some B150s.
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